Given below are two statements:
Statement $I$ : The decrease in first ionization enthalpy from $B$ to $Al$ is much larger than that from $Al$ to $Ga$.
Statement $II$ : The d orbitals in Ga are completely filled.
In the light of the above statements, choose the most appropriate answer from the options given below
Statement $I$ is incorrect but statement $II$ is correct.
Both the statements $I$ and $II$ are correct
Statement $I$ is correct but statement $II$ is incorrect
Both the statements $I$ and $II$ are incorrect
Which elements of group $13$ possess both $+1$ and $+3$ oxidation state?
In $B_2H_6$
Three moles of $B _2 H _6$ are completely reacted with methanol. The number of moles of boron containing product formed is
The formation of molecular complex $BF_3 - NH_3$ results in a change in hybridization of boron
In some of the reactions thallium resembles aluminium, whereas in others it resembles with group $-I$ metals. Support this statement by giving some evidences.